98J
Explanation:
Given parameters:
Mass of paint can = 5kg
Height of ladder = 2m
Unknown:
Work done = ?
Potential energy = ?
Solution:
Work done in moving the paint is the force applied under gravity to move it through the give height.
Potential energy is the energy due the position of a body at rest.
For this body:
The work done in moving the paint = Potential energy at the top of ladder = m x g x h
m is the mass of the pain can
g is the acceleration due to gravity
h is the height of the building
Input the variables;
Work done = 5 x 9.8 x 2 = 98J
Potential energy = 98J
learn more:
Potential energy brainly.com/question/10770261
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Answer:
Explanation:
Given,
Magnetic field, B = 5 x 10⁻⁵ T
Number of turns, N = 450
length = 29 cm
Current,I = ?
Using formula of magnetic field due to solenoid
Hence, the current obtained is equal to 0.0256 A.
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